package file;
import java.io.File;
import java.io.IOException;
public class CreateNewFileDemo {
    public static void main(String[] args) throws IOException {
        File file = new File("./test.txt");

        if(file.exists()){
            System.out.println("该文件已存在！");
        }else {
            file.createNewFile();
            System.out.println("文件已创建！");
        }




    }
}




